diff options
| author | Raghavendra Bhat <raghavendrabhat@gluster.com> | 2011-08-17 00:55:39 +0530 |
|---|---|---|
| committer | Anand Avati <avati@gluster.com> | 2011-08-17 02:23:36 -0700 |
| commit | 276142d543f6129623e40e7c93a23353c1f4eac3 (patch) | |
| tree | 8d436a2d1a2a7259037c05572c26b847ae6a2d0f /xlators/features/marker/src/marker-quota.c | |
| parent | d67be632e1884c0d4845c0f21716a998ddc0b52c (diff) | |
features/marker: do not unref the marker local twice to avoid memory corruption
Change-Id: I71bc8a477155cff62c3218fee285a22a44aa54ba
BUG: 3385
Reviewed-on: http://review.gluster.com/241
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vijay@gluster.com>
Diffstat (limited to 'xlators/features/marker/src/marker-quota.c')
| -rw-r--r-- | xlators/features/marker/src/marker-quota.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/xlators/features/marker/src/marker-quota.c b/xlators/features/marker/src/marker-quota.c index 311e4d392d5..3e9a6890a6a 100644 --- a/xlators/features/marker/src/marker-quota.c +++ b/xlators/features/marker/src/marker-quota.c @@ -182,6 +182,8 @@ release_lock_on_dirty_inode (call_frame_t *frame, void *cookie, xlator_t *this, { struct gf_flock lock = {0, }; quota_local_t *local = NULL; + loc_t loc = {0, }; + int ret = -1; local = frame->local; @@ -202,12 +204,22 @@ release_lock_on_dirty_inode (call_frame_t *frame, void *cookie, xlator_t *this, lock.l_len = 0; lock.l_pid = 0; + ret = loc_copy (&loc, &local->loc); + if (ret == -1) { + local->err = -1; + frame->local = NULL; + dirty_inode_updation_done (frame, NULL, this, 0, 0); + return 0; + } + frame->local = NULL; + STACK_WIND (frame, dirty_inode_updation_done, FIRST_CHILD(this), FIRST_CHILD(this)->fops->inodelk, - this->name, &local->loc, F_SETLKW, &lock); + this->name, &loc, F_SETLKW, &lock); + loc_wipe (&loc); return 0; } @@ -404,7 +416,6 @@ get_child_contribution (call_frame_t *frame, gf_log (this->name, GF_LOG_ERROR, "%s", strerror (op_errno)); local->err = -2; - release_lock_on_dirty_inode (local->frame, NULL, this, 0, 0); goto out; @@ -431,11 +442,9 @@ out: UNLOCK (&local->lock); if (val== 0) { - if (local->err) { - QUOTA_SAFE_DECREMENT (&local->lock, local->ref, val); - + if (local->err) quota_local_unref (this, local); - } else + else quota_dirty_inode_readdir (local->frame, NULL, this, 0, 0, NULL); } |